PSLE A bag contains erasers of three different colours.
14 of the erasers are yellow. The ratio of the number of green erasers to that of purple erasers is 1 : 1. What is the ratio of the number of yellow erasers to that of purple erasers?
Yellow |
Green |
Purple |
Total |
1x2 |
3x2 |
4x2 |
|
1x3 |
1x3 |
|
2 u |
3 u |
3 u |
8 u |
The total number of purple and green erasers is the combined repeated identity.
Make the total number purple and green erasers the same.
LCM of 3 and 2 = 6
Yellow : Purple
2 : 3
Answer(s): 2 : 3